Answer:
20+5w=t
Step-by-step explanation:
He starts with 20, so no matter what 20 will be added to the equation. Carlos gains 5 pushups each week. So that can be written as: 5w, because 5 pushups per week. So, it looks like this, 20+5w=t. The =t at the end represents the total amount of pushups he can do after w weeks.
Hope this helps.